That's a pretty cool video Robert. I didn't think that trout would feed that heavily on mice, but I guess that they do provide a quite a bit of nutrition and I'm sure that swimming mice are probably about the easiest thing that a trout could catch.
Stocking trout over the winter would leave them in the water during a time when there would be very little in the way of small fry to eat. They would have to feed on minnows, shiners, crayfish, or other things.
Plus, they don't really make it to the spawn so I see them as more of a benefit. Plus, if you can show me a bass lake that produces 20 pound fish that doesn't stock rainbows every year I will be shocked.
